/* 基础设置 */
* {
    margin: 0px;
    padding: 0px;
    font-family: monospace;
    overflow-y: hidden;
}

#body {
    width: 1536px;
    height: 745px;
    max-width: 1536px;
    max-height: 745px;
    min-width: 1536px;
    min-height: 745px;
    float: left;
    box-sizing: border-box;
    border: none;
    position: absolute;
    /* overflow-y: auto; */
}